Whether your go-to is Chicago ... pepperoni and sausage. Vegans and vegetarians are also in for a treat with offerings like vegan mac, seitan chicken-topped "Buff Chick" and barbecue Chick'n pizza.

Pizza, the gift that keeps on giving. Arguably one of the most universally beloved foods, pizza also elicits a variety of reactions from people worldwide. Italians often claim ownership of the ...